Hair clipper



FIG. 1 is a top plan view of a hair clipper, showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is another side elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is an end elevational view thereof; and

FIG. 6 is another end elevational view thereof.

The ornamental design for a hair clipper, as shown and described.